/*
 * Copyright (c) 2010, VeRSI Consortium
 *   (Victorian eResearch Strategic Initiative, Australia)
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the VeRSI, the VeRSI Consortium members, nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package versi.vitro.oaiserviceprovider.xml;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;

import org.apache.commons.lang.NotImplementedException;
import org.apache.log4j.Logger;
import org.w3c.dom.ls.LSInput;

/** The DOM entity resolver input. */
public class Input implements LSInput {

    /** log4j instance. */
    private static final Logger LOGGER = Logger.getLogger(Input.class);

    /** The public identifier. */
    private String publicId;

    /** The system identifier. */
    private String systemId;

    /** input stream. */
    private InputStream inputStream;

    /**
     * Default Constructor.
     */
    public Input(String publicId, String sysId, InputStream input) {
	this.publicId = publicId;
	this.systemId = sysId;
	this.inputStream = input;
    }

    public String getPublicId() {
	return publicId;
    }

    public void setPublicId(String publicId) {
	this.publicId = publicId;
    }

    public String getSystemId() {
	return systemId;
    }

    public void setSystemId(String systemId) {
	this.systemId = systemId;
    }

    public String getStringData() {
	synchronized (inputStream) {
	    try {
		byte[] input = new byte[inputStream.available()];
		inputStream.read(input);
		String contents = new String(input);
		return contents;
	    } catch (IOException ioException) {
		String message = "Could not convert schema location URL to URI";
		LOGGER.fatal(message, ioException);
		throw new RuntimeException(message, ioException);
	    }
	}
    }

    // ----------------------------------------------------------
    // Not implemented

    /**
     * overwritten method, always return null.
     */
    public String getBaseURI() {
	return null;
	// throw new NotImplementedException();
    }

    /**
     * overwritten method, always return null.
     */
    public InputStream getByteStream() {
	return null;
	// throw new NotImplementedException();
    }

    /**
     * overwritten method, always return false.
     */
    public boolean getCertifiedText() {
	return false;
	// throw new NotImplementedException();
    }

    /**
     * overwritten method, always return null.
     */
    public Reader getCharacterStream() {
	return null;
	// throw new NotImplementedException();
    }

    /**
     * overwritten method, always return null.
     */
    public String getEncoding() {
	return null;
	// throw new NotImplementedException();
    }

    public void setBaseURI(String baseURI) {
	throw new NotImplementedException();
    }

    public void setByteStream(InputStream byteStream) {
	throw new NotImplementedException();
    }

    public void setCertifiedText(boolean certifiedText) {
	throw new NotImplementedException();
    }

    public void setCharacterStream(Reader characterStream) {
	throw new NotImplementedException();
    }

    public void setEncoding(String encoding) {
	throw new NotImplementedException();
    }

    public void setStringData(String stringData) {
	throw new NotImplementedException();
    }
}
